Advertisement âWe have incredibly low rates of infection in Australia, but without very high vaccine uptake rates, weâre never going to achieve any long-lasting protection, and weâll just keep doing the same thing over and over again.â There are now growing calls for a cautious easing of border restrictions, with many of Australiaâs leading infectious diseases figures suggesting a new, risk-based quarantine system would allow select groups to safely avoid 14-day mandatory quarantine in a hotel. Professor Sharon Lewin, the director of the Doherty Institute, suggested people who had been vaccinated or travelled from low-risk countries could safely quarantine at home with regular testing.